IIT JEE exam which consists of JEE Main and JEE Advanced is one of the most important entrance exams for engineering aspirants. The exam is held for candidates who are aspiring to pursue a career in the field of engineering and technical studies.
Chemistry is important because everything you do is chemistry! Even your body is made of chemicals. Chemical reactions occur when you breathe, eat, or just sit there reading. All matter is made of chemicals, so the importance of chemistry is that it's the study of everything..
Q1. _17^35 Cl and _17^37 Cl are two isotopes of chlorine. If average atomic mass is 35.5 then ration of these two isotopes is
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Q2.1 mole BaF_2 is treated with 2 moles of H_2 SO_4.To make the resulting mixture neutral, NaOH is added. NaOH required in this process is
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Q3. A certain compound has the molecular formula X_4 O_6. If 10 g of X_4 O_6 has 5.72 g X, the atomic mass of X is
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Q4. Select the correct statement(s)
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Q5. M^(2+) ion is isoelectronic of SO_2 and has (Z+2) neutrons (Z is atomic number of M) Thus, ionic mass of M^(2+) is
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Q6. 10 g of CaCO_3 contains
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Q7. Turnbull’s blue and Prussian’s blue respectively are

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Q8. A compound with molecular mass 180 is acylated with CH_3 COCl to get a compound with molecular mass 390. The number of amino groups present per molecule of the former compound is
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Q9. 0.31 g of N-containing compound on reaction with NaOH gave NH_3 which required 100 mL of 0.1 N HCl.Hence, % of N is
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Q10. An aqueous solution of NaCl is 5.85%. The volume in which 1 mole of it is dissolved will be
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